<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #color{
            color: cadetblue ;
        }
        .color{
            color: violet;
        }
        div{
            color: red;
        }
        body{
            color: green;
        }
        
    </style>
</head>
<body>
    <div class="color" id="color" style="color:red">div</div>
</body>
</html>